Line data    Source code

       1             : //
       2             : // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
       3             : // Use of this source code is governed by a BSD-style license that can be
       4             : // found in the LICENSE file.
       5             : //
       6             : // UnfoldShortCircuitAST is an AST traverser to replace short-circuiting
       7             : // operations with ternary operations.
       8             : //
       9             : 
      10             : #ifndef COMPILER_TRANSLATOR_UNFOLDSHORTCIRCUITAST_H_
      11             : #define COMPILER_TRANSLATOR_UNFOLDSHORTCIRCUITAST_H_
      12             : 
      13             : #include "common/angleutils.h"
      14             : #include "compiler/translator/IntermNode.h"
      15             : 
      16             : namespace sh
      17             : {
      18             : 
      19             : // This traverser identifies all the short circuit binary  nodes that need to
      20             : // be replaced, and creates the corresponding replacement nodes. However,
      21             : // the actual replacements happen after the traverse through updateTree().
      22             : 
      23           0 : class UnfoldShortCircuitAST : public TIntermTraverser
      24             : {
      25             :   public:
      26           0 :     UnfoldShortCircuitAST()
      27           0 :         : TIntermTraverser(true, false, false)
      28             :     {
      29           0 :     }
      30             : 
      31             :     bool visitBinary(Visit visit, TIntermBinary *) override;
      32             : };
      33             : 
      34             : }  // namespace sh
      35             : 
      36             : #endif  // COMPILER_TRANSLATOR_UNFOLDSHORTCIRCUITAST_H_